331379320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2333}}^1$

素因数の和:2464

約数の個数: 64

約数和(自身を含む): 771340320

約数和(自身を除く): 439961000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 335, 424, 530, 536, 670, 1060, 1340, 2120, 2333, 2680, 3551, 4666, 7102, 9332, 11665, 14204, 17755, 18664, 23330, 28408, 35510, 46660, 71020, 93320, 123649, 142040, 156311, 247298, 312622, 494596, 618245, 625244, 781555, 989192, 1236490, 1250488, 1563110, 2472980, 3126220, 4945960, 6252440, 8284483, 16568966, 33137932, 41422415, 66275864, 82844830, 165689660, 331379320]

約数ペア:

[(1, 331379320), (2, 165689660), (4, 82844830), (5, 66275864), (8, 41422415), (10, 33137932), (20, 16568966), (40, 8284483), (53, 6252440), (67, 4945960), (106, 3126220), (134, 2472980), (212, 1563110), (265, 1250488), (268, 1236490), (335, 989192), (424, 781555), (530, 625244), (536, 618245), (670, 494596), (1060, 312622), (1340, 247298), (2120, 156311), (2333, 142040), (2680, 123649), (3551, 93320), (4666, 71020), (7102, 46660), (9332, 35510), (11665, 28408), (14204, 23330), (17755, 18664)]